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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24/12/2023, 22:00

General

  • Target

    143c4ad0066283f32c23d311e61c02e2.exe

  • Size

    350KB

  • MD5

    143c4ad0066283f32c23d311e61c02e2

  • SHA1

    1ddfc575e32e6a35fdfee7df1bf8947d96c89bc4

  • SHA256

    5d6441cca42e93d2697dee285c6636a9292dfd8c9e2414aea7ec07b84758d2f4

  • SHA512

    b7daceae7088653a0ddfbd2fa2ed4bd5a89b2f5d9e9e821fda079de467b362e766b6ec287288a9d010ead5be46da32ad8b8126b73ca1e70822e2493e193cbe04

  • SSDEEP

    6144:T4+FA+BAiMXHQur9MD7Lk9vtXyCLFlINvWLkNGPTd0owmYUUGO56pjPwjw:sW+iMXHknLSvtbDLkNG1w+UG6xw

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\143c4ad0066283f32c23d311e61c02e2.exe
    "C:\Users\Admin\AppData\Local\Temp\143c4ad0066283f32c23d311e61c02e2.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\uninstall.exe
      C:\Users\Admin\AppData\Local\Temp\uninstall.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\uninstall.exe

    Filesize

    45KB

    MD5

    56e8f04617f79f704f0fe6c1f5923b04

    SHA1

    d613871ddc8284e77e43e7667adb218388bf6eb7

    SHA256

    4b00db2c3e99e27a49c93eb339cc8c346dd42fac6f43be942b1bcc05fbfc11f6

    SHA512

    82af925382f369e33ea4b5363548a7818c90ecd6c1ee2b52b8040fc297603fce3e2b299a53ccfc60ea0628aeae715c29fe5e90a20881651d1d29d1a69ad0118b

  • \Users\Admin\AppData\Local\Temp\uninstall.exe

    Filesize

    91KB

    MD5

    ee30ea1c167290153bdb61ecd9b3b590

    SHA1

    b20564a704b4075cf87dd85506599d2a20441274

    SHA256

    45498228c6e045de1dd22d4f285f0c0b51f85964075cf706c6f08e973408fff4

    SHA512

    e110e53824c1d5358911467339368eea31ee8eceefcc7f094acfc5fdc9fc008dd81b4f25c9abcccc2f5bdb9f85da188a73f25b840a28a13d4e337cac37fa0733

  • \Users\Admin\AppData\Local\Temp\uninstall.exe

    Filesize

    93KB

    MD5

    dd936ea822082d05d3f330167b400aa8

    SHA1

    10a12a00fd2ca549e8f1f2b793146537b386c83e

    SHA256

    c53284dd0b0861218265c562a84ebef069dec3572226b74ded66f5ec3f90f985

    SHA512

    1f8c59cd99013e1c62dc5b9f648f1aa10f8ad0defe77ef7dd5dee94518ced2287a5d69ad1144686984ebaabc9b24309c98367037afd0f8ec143f7f0812a6f634

  • \Users\Admin\AppData\Local\Temp\uninstall.exe

    Filesize

    350KB

    MD5

    143c4ad0066283f32c23d311e61c02e2

    SHA1

    1ddfc575e32e6a35fdfee7df1bf8947d96c89bc4

    SHA256

    5d6441cca42e93d2697dee285c6636a9292dfd8c9e2414aea7ec07b84758d2f4

    SHA512

    b7daceae7088653a0ddfbd2fa2ed4bd5a89b2f5d9e9e821fda079de467b362e766b6ec287288a9d010ead5be46da32ad8b8126b73ca1e70822e2493e193cbe04